A reduction in sharpness of vision due to an irregularly shaped cornea or lens is called ________
A) astigmatism
B) emmetropic
C) myopic
D) hyperopic
A
Explanation:
B) Emmetropic is normal vision.
C) A myopic eye focuses an image in front of the retina but has a regular shape.
D) A hyperopic eye focuses an image behind the retina but has a normally shaped lens.
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A) Vitamin C deficiency. B) Thiamine deficiency. C) Niacin deficiency. D) Vitamin D deficiency.
Which of the following is NOT an explanation for how one gene can produce more than one protein?
A. Posttranslational methylation and phosphorylation B. Different carbohydrates bonded to the protein C. Various cuts and splices of mRNA D. Different groups of polypeptides associating to make different proteins
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Answer the following statement true (T) or false (F)
Which of the following is involved in forming cerebrospinal fluid?
A. Cerebral aqueduct B. Dural venous sinus C. Choroid plexus D. Central canal